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FANUC Series 30i/31i/32i−MODEL A
Tool Life Management
Specifications
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1.1.4 Tool Life Counting and Tool Selection
As the tool life count type, use count or duration is selected by setting bit 2 (LTM) of
parameter No. 6800. Life counting is performed on a group-by-group basis, and the life
counter contents are maintained after the power is turned off.
Table 1.1.4 Tool life management count types and intervals
Tool life count type
Use count specification
Time specification
Bit 2 (LTM) of
parameter No. 6800
0 1
Life count interval
Incremented by one for tools
used in one program
Counting can be resumed by
using tool life count restart
M code (parameter No.
6811).
Bit 0 (FCO) of
parameter No. 6805
0: Every second
1: Every 0.1 second
Can be changed by
override.
Explanation
- Use count specification (LTM=0)
When a tool group (T code) is specified, a tool whose life has not expired is selected from
the specified tool group. The life counter for the selected tool is then incremented by one
by a tool change command (M06). Unless a tool life count restart M code is specified,
selection of a new tool and the increment operation can be performed only when a tool group
number command and a tool change command are specified for the first time since the
control unit enters the automatic operation start state from the reset state.
CAUTION
Even if the same tool group number is specified more than once in a
program, the use count is not incremented, and no new tool is
selected.
- Duration specification (LTM=1)
After all registered tool life management data is deleted, programmed tool life management
data is registered.
When a tool group command (T code) is specified, a tool whose life has not expired is
selected from the specified tool group. Then, life management for the selected tool is
started by a tool change command (M06). Life management (counting) is performed by
measuring the time during which the tool is actually used in the cutting mode at regular
intervals (every second or 0.1 second). The life count interval is specified by bit 0 (FCO)